Table 2 . --Average diameters, needle weights per gram of 0-1 centimeter diameter 

 branchwood, and needle surface area-to-volume ratios for the different 

 species in the slash^ 



Species 



Diameters 



0-1 cm. • 1-3 cm. 



3-10 cm. 



Needle weight 

 per gram 

 branchwood 



Needle surface 

 area-to-volume 

 ratio 



Cm. 



Cm. 



Cm. 



G./g. 



Cm. 2 /cm. 



Douglas-fir and 

 subalpine fir 

 Spruce 

 Larch 



Lodgepole pine 

 Average—'' 



2/ ' 



219 



1 



63 



5.27 



195 



1 



90 



4.76 



260 



1 



82 



4.36 



432 



1 



76 



4.88 



224 



1 



74 



5.02 



.49 



^1.38 

 & .19 

 1.43 



69. 1 

 54.2 

 184.0 

 64.7 



Slash depth (cm.) 



Figure 2. — Cumulative percent of total old and new slash volume at different 

 slash depths. Top depth is the average of all depth measurements and 

 mid-depth is one-half of the top depth. 



